New releases of Moodle’s versions are out recently with bug fixes and a few enhancements. Nothing groundbreaking at first glance, but if you’re now using a version now out of date there are benefits to upgrade (security fixes and bug fixes).
One additional feature to keep an eye on is the ability to update functionality from the Admin panel (just like in WordPress): Automatic updates deployer needs check directory permissions
Find out all of the release notes here:
Note that as per Moodle’s new release policy, Moodle 2.1.10 is the last release for that branch.